Dates and deadlines

Pop it in your diary

There’s nothing worse than running against the clock. Believe us, we know. So why put that pressure on yourself? Our online deadline database will remind you of the important days in your tax year, all in one place. Don’t get left behind!

19 December 2025

  • CIS Return

    Payments made to subcontractors in the month to 5 December 2025.

  • PAYE, NIC and CIS Payment (postal)

    Month-end 5 December 2025.

22 December 2025

  • PAYE, NIC and CIS Payment (electronic)

    Month-end 5 December 2025.

30 December 2025

  • Self Assessment

    Payment of 2024/25 tax via PAYE coding out online return submission.

31 December 2025

  • Corporation Tax Returns

    31 December 2024 year ends.

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